<template>
  <Transition name="down">
    <div class="message" :style="style[type]" v-show="visible">
      <i class="iconfont" :class="[style[type].icon]"></i>
      <span class="text">{{message}}</span>
    </div>
  </Transition>
</template>
<script setup>
  import { ref, onMounted, defineProps, getCurrentInstance } from 'vue';
  console.log(getCurrentInstance())
  defineProps({
    type:String,
    message:String
  })
  // 定义一个对象，包含三种情况的样式，对象key就是类型字符串
  const style = {
    warn: {
      icon: 'icon-warning',
      color: '#E6A23C',
      backgroundColor: 'rgb(253, 246, 236)',
      borderColor: 'rgb(250, 236, 216)'
    },
    error: {
      icon: 'icon-shanchu',
      color: '#F56C6C',
      backgroundColor: 'rgb(254, 240, 240)',
      borderColor: 'rgb(253, 226, 226)'
    },
    success: {
      icon: 'icon-queren2',
      color: '#67C23A',
      backgroundColor: 'rgb(240, 249, 235)',
      borderColor: 'rgb(225, 243, 216)'
    }
  }
  const visible = ref(false)
  onMounted(()=>{
    visible.value = true
  })
</script>
<style scoped lang="less">
.down {
  &-enter {
    &-from {
      transform: translate3d(0,-75px,0);
      opacity: 0;
    }
    &-active {
      transition: all 0.5s;
    }
    &-to {
      transform: none;
      opacity: 1;
    }
  }
}
.message {
  width: 300px;
  height: 50px;
  position: fixed;
  z-index: 9999;
  left: 50%;
  margin-left: -150px;
  top: 25px;
  line-height: 50px;
  padding: 0 25px;
  border: 1px solid #e4e4e4;
  background: #f5f5f5;
  color: #999;
  border-radius: 4px;
  i {
    margin-right: 4px;
    vertical-align: middle;
  }
  .text {
    vertical-align: middle;
  }
}
</style>